@article{oai:tsukuba.repo.nii.ac.jp:00024521,
 author = {Githaiga, Richard W.},
 issue = {2},
 journal = {Journal of Developments in Sustainable Agriculture},
 month = {},
 pages = {159--166},
 title = {Economic and Social Impacts of the Common Interest Group Approach to Public Agricultural Extension in Kenya},
 volume = {2},
 year = {2007}
}